CN114249195A - Control system for lifting electromechanical equipment - Google Patents
Control system for lifting electromechanical equipment Download PDFInfo
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- CN114249195A CN114249195A CN202111563629.3A CN202111563629A CN114249195A CN 114249195 A CN114249195 A CN 114249195A CN 202111563629 A CN202111563629 A CN 202111563629A CN 114249195 A CN114249195 A CN 114249195A
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- 238000000034 method Methods 0.000 claims abstract description 29
- 238000012790 confirmation Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
- B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0012—Devices monitoring the users of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/064—Power supply or signal cables
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a control system for lifting electromechanical equipment, which belongs to the technical field of elevator safety and comprises an operation identification module and a server; the operation identification module is used for identifying personnel operating the elevator, and the specific identification method comprises the following steps: acquire elevator operating personnel information of all in the elevator person in charge company, establish operating personnel information base according to the elevator operating personnel information who acquires, set up fingerprint identification device on the elevator control cabinet, when needs operate the elevator, operating personnel carries out the fingerprint authentication through fingerprint identification device, fingerprint identification device discernment operating personnel's fingerprint, carry out the fingerprint matching in sending the fingerprint of discernment to operating personnel information base, through setting up operation identification module, ensure that the operating personnel who operates the elevator is the personnel that have corresponding special equipment operation card, realize keeping the certificate and go on duty, avoid non-operating personnel to the driving of elevator in the building site, ensure the safe operation of elevator.
Description
Technical Field
The invention belongs to the technical field of elevator safety, and particularly relates to a control system for lifting electromechanical equipment.
Background
The elevator, also called cargo lift, is mainly used for transporting goods or people up and down between various working floors; on a building site, people who operate the elevator are not specified operators frequently, the operators possibly have no corresponding special equipment operation certificates, more serious building workers of other working types do not operate the elevator when the operators are in the elevator, and the phenomenon of operating the elevator by themselves occurs, so that the elevator has great potential safety hazards; the existing elevator has no floor positioning function, and all elevators are controlled according to the working experience of operators to a certain floor, so that the elevator is frequently stopped high or low, the position of the elevator can be adjusted again when the difference is too large, the elevator can be directly lifted up and down when the difference is not too large, great inconvenience is realized, and certain potential safety hazard is also caused when the stopping position of the elevator is unreasonable; the connecting cable of the elevator also has great potential safety hazard, because the cable can rise along with the rise of the elevator and fall, but the cable is easily hung by other objects in the process of the rise and fall of the cable, and the elevator still moves, so that the cable is broken, and great potential safety hazard is provided; there is therefore a great need for a control system for a lifting electromechanical device that addresses some or all of the above problems.
Disclosure of Invention
In order to solve the problems of the scheme, the invention provides a control system for a lifting electromechanical device.
The purpose of the invention can be realized by the following technical scheme:
a control system for a lifting electromechanical device comprises an operation identification module and a server;
the operation identification module is used for identifying personnel operating the elevator, and the specific identification method comprises the following steps:
acquiring all elevator operator information in an elevator supervisor company, establishing an operator information base according to the acquired elevator operator information, arranging a fingerprint identification device on an elevator console, when the elevator needs to be operated, performing fingerprint authentication on an operator through the fingerprint identification device, identifying the fingerprint of the operator through the fingerprint identification device, sending the identified fingerprint to the operator information base for fingerprint matching, and not operating when the matching is not successful; when the matching is successful, generating a starting signal, sending the starting signal to a server, and starting the operation of the elevator control console by the server;
still be equipped with bottom identification unit in the elevator control cabinet, bottom identification unit is used for discerning whether current elevator is located the bottom, when bottom identification unit discerned the elevator and is located the bottom, generate the break signal, and give the server with break signal transmission, the control connection between the controlling means on the server disconnection elevator control cabinet and the elevator control cabinet, operating personnel's fingerprint identification carries out again, when operating personnel passes through fingerprint identification of fingerprint identification device, generate the connect signal, send the connect signal for the server, the controlling means on the server reconnection elevator control cabinet and the control connection between the elevator control cabinet.
Further, still include the floor module, the floor module is used for the elevator operating personnel to fix a position the floor, and the concrete method includes:
acquire building layer height table, set up input unit, with building layer height table input to input unit in, when needs use the companion ladder, operating personnel inputs the floor number in input unit, input unit matches the floor elevation that corresponds according to the floor number of input, after the companion ladder starts, acquires the elevation of companion ladder in real time, when the elevation that obtains reaches input unit matching's elevation, stops the removal of companion ladder.
Further, the method for acquiring the floor height table of the building comprises the following steps:
setting a positioning unit, when a building floor height table needs to be added, inputting a floor number in the positioning unit by an elevator operator, controlling the elevator to move to a corresponding floor after the floor number is input, adjusting the position of the elevator according to the upper and lower conditions of personnel and goods in the elevator on site, inputting confirmation information in the positioning unit by the elevator operator after the adjustment is finished, automatically positioning the current elevation when the positioning unit receives the confirmation information, matching the positioned elevation with the input floor number, establishing a template table, and inputting the floor number and the corresponding elevation into the template table; and marking the template table as a building floor height table.
Further, the method for acquiring the floor height table of the building comprises the following steps:
obtaining a building drawing of a current building, identifying a floor elevation in the building drawing, and establishing a building floor height table according to the identified floor elevation.
Further, still include cable safety module, cable safety module is used for carrying out safety inspection to the cable of connecting on the companion ladder, and the concrete method includes:
setting a plurality of size labels on an elevator cable, setting a plurality of image acquisition devices on a current building, and setting a plurality of coordinate positioning points on the current building according to images acquired by the image acquisition devices;
when the elevator runs, acquiring the lifting height of the elevator in real time, acquiring the lifting length of the cable by acquiring a size label of the cable in an image through the cable, comparing the lifting length of the cable with the lifting height of the elevator, and judging whether the cable is in a tight state or not; when the cable is in a tight state, generating a cable safety signal, sending the generated cable safety signal to a server, and immediately stopping the movement of the elevator by the server; when it is judged that the cable is not in a tight state, no operation is performed.
Further, the method for acquiring the rising height of the elevator in real time comprises the following steps:
a positioning device is arranged in the elevator, and the lifting height of the elevator is acquired in real time through the positioning device.
Further, the method for acquiring the rising height of the elevator in real time comprises the following steps:
establishing a lifting model according to a lifting ladder installation drawing and a current building three-dimensional model, establishing a coordinate system in the lifting model, lofting the established coordinate system onto the current building, acquiring an acquisition angle of an image acquisition device, and establishing a coordinate model of the image acquisition device according to the acquisition angle and a coordinate positioning point of the image acquisition device; the image acquisition device is used for acquiring images of the elevator cable in real time, acquiring real-time coordinates of the elevator through the coordinate model, and calculating the lifting height of the elevator.
Compared with the prior art, the invention has the beneficial effects that: by arranging the operation identification module, the operating personnel for operating the elevator is ensured to be personnel with corresponding special equipment operation certificates, the certificate is certified, the operation is on duty, the driving of non-operating personnel to the elevator in a construction site is avoided, the safe operation of the elevator is ensured, and the operation hidden danger of the elevator is reduced; the floor module is arranged to assist the elevator operating personnel in positioning floors, so that the elevator can be accurately stopped, the safety problem caused by unreasonable stopping positions of the elevator is avoided, and the operation of the operating personnel is facilitated; by arranging the cable safety module, the safety retraction of the cable in the lifting process of the elevator is ensured, and serious safety accidents caused by the retraction of the cable are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a control system for a lifting electromechanical device includes an operation identification module, a floor module, a cable security module, and a server;
the operation identification module is used for identifying personnel operating the elevator, because on a building site, the personnel operating the elevator is not a specified operator frequently, and the operator also has a great possibility that no corresponding special equipment operation certificate exists, more seriously, the building workers of other working types do not operate the elevator when the elevator is still, and the phenomenon of self-operating the elevator occurs, so that great potential safety hazard is caused, the personnel operating the elevator needs to be identified, the phenomenon is avoided, and the personnel operating the elevator is ensured to have the corresponding special equipment operation certificate;
in one embodiment, the specific identification method includes:
acquiring all elevator operating personnel information in an elevator administrative company, wherein the elevator operating personnel in the elevator administrative company are acquiescent to have elevator special equipment operation certificates, and the elevator operating personnel information comprises information such as name, age, contact information, fingerprint information and face identification information; establishing an operator information base according to the acquired elevator operator information, arranging a fingerprint identification device on an elevator console, when the elevator needs to be operated, carrying out fingerprint authentication on the operator through the fingerprint identification device, identifying the fingerprint of the operator through the fingerprint identification device, sending the identified fingerprint to the operator information base for fingerprint matching, and not carrying out operation when the matching is not successful; and when the matching is successful, generating a starting signal, sending the starting signal to the server, and starting the operation of the elevator control console by the server.
In one embodiment, a method of operating an identification module to identify a person operating an elevator comprises:
the difference between this embodiment and the previous embodiment is that a bottom recognition unit is also arranged in the elevator control platform, the bottom identification unit is used for identifying whether the current elevator is positioned at the bottom layer, namely the initial position of the elevator, when the bottom identification unit identifies that the elevator is positioned at the bottom layer, a disconnection signal is generated and sent to the server, the server disconnects the control connection between the control device on the elevator control console and the elevator control console, which means that the operation of the elevator cannot be controlled by the operating rod and the operating button at present, the fingerprint identification of the operator is carried out again, when the operator identifies through the fingerprint of the fingerprint identification device, a connection signal is generated and sent to the server, and the server is connected with the control device on the elevator control console again and is connected with the control device between the elevator control console.
In one embodiment, a method of operating an identification module to identify a person operating an elevator comprises:
the difference between this embodiment and the two previous embodiments is that the fingerprint recognition device can be changed into a face recognition device, and the face recognition device can be used for recognizing operators, and similarly, the face recognition device can be replaced by other recognition devices according to the needs.
The floor module is used for positioning floors by elevator operators, and the existing elevator has no floor positioning function and is controlled according to the working experience of the operators to a certain floor, so that the elevator is frequently stopped high or low, the position of the elevator can be adjusted again when the difference is too large, and the elevator can go up and down directly when the difference is not too large, so that great inconvenience is brought, and certain potential safety hazards are caused when the stopping position of the elevator is unreasonable, so that the problem needs to be solved;
the specific method comprises the following steps:
the method comprises the steps that a building floor height table is obtained, an input unit is arranged and used for inputting a building number and inputting the building floor height table into the input unit, when the elevator needs to be used, an operator inputs the building number into the input unit, the input unit is matched with a corresponding floor elevation according to the input building number, after the elevator is started, the elevation of the elevator is obtained in real time, the obtained elevation of the elevator is based on the current building, and when the obtained elevation of the elevator reaches the elevation matched with the input unit, the elevator stops moving; the input unit can receive information sent by the beepers arranged on each floor in real time, the beepers are devices which are arranged on each floor and used for calling the elevator, and the input unit equivalently receives the floor information sent by the beepers arranged on each floor in real time and matches the floor elevation corresponding to the received floor information.
In one embodiment, the input unit is further provided with a fingerprint identification node, an operator can input the floor number after fingerprint authentication, and the elevator can move only after the floor number is input.
In one embodiment, the method for acquiring the floor height table of the building comprises the following steps:
obtaining a building drawing of a current building, identifying a floor elevation in the building drawing, and establishing a building floor height table according to the identified floor elevation.
In one embodiment, the method for acquiring the floor height table of the building comprises the following steps:
setting a positioning unit, wherein the positioning unit is used for manually positioning the floor position, when a floor height table needs to be added, an elevator operator inputs a floor number in the positioning unit, controls the elevator to move to a corresponding floor after the floor number is input, adjusts the position of the elevator according to the upper and lower conditions of personnel and goods in the elevator on site, inputs confirmation information in the positioning unit after the adjustment is finished, automatically positions the current elevation when the positioning unit receives the confirmation information, matches the positioned elevation with the input floor number, establishes a template table, and inputs the floor number and the corresponding elevation into the template table, wherein the template table is the floor height table without input data; and marking the template table as a building floor height table.
This embodiment is through fixing a position on the spot for layer height data laminating reality more, because the reason of construction, the position that the adaptation elevator parked always has certain error with the layer height that corresponds, and this embodiment just can be fine solution this problem, more laminating job site.
Cable safety module is used for carrying out safety inspection to the cable of connection on the companion ladder, because the cable is connected on the companion ladder, consequently the cable can rise along with the rising of companion ladder, descend and descend, but take place the cable easily and hang by other objects at the lift in-process of cable, and the companion ladder is still removing, leads to the fracture of cable, has very big potential safety hazard, consequently need set up cable safety module and carry out safety inspection to the cable of connection on the companion ladder, concrete method includes:
the three-dimensional model of the current building and the elevator installation drawing can be obtained, the three-dimensional model of the current building can be obtained from a construction general contractor, and the construction general contractor has the three-dimensional model of the building because of the requirements of calculation, modeling and the like,
establishing a lifting model according to a lifting ladder installation image and a three-dimensional model of a current building, wherein the lifting model is a three-dimensional model for establishing a lifting ladder and a lifting ladder track, and then correspondingly combining with the three-dimensional model of the current building to form a new three-dimensional model, establishing a coordinate system in the lifting model, lofting the established coordinate system onto the current building, arranging a plurality of image acquisition devices on the current building, wherein the image acquisition devices are all arranged at positions capable of acquiring images of a lifting ladder cable and used for acquiring the images of the lifting ladder cable, arranging a plurality of coordinate positioning points on the current building according to the acquired images of the image acquisition devices, the coordinate positioning points are used for rapidly assisting the image acquisition devices to determine the coordinate positions of the acquired images, acquiring angles of the image acquisition devices, and establishing the coordinate model of the image acquisition devices according to the acquisition angles and coordinates of the image acquisition devices, the coordinate model is a mathematical model established by using mathematical principles such as trigonometric functions and the like according to the acquisition angle, the coordinate positioning point and the position of the elevator in the acquired image, and the specific establishing process is common knowledge of technicians in the field, so detailed description is not needed; arranging a plurality of size labels on the elevator cable, namely arranging size marks with obvious scales on the cable;
when the elevator runs, acquiring images of an elevator cable in real time through an image acquisition device, acquiring real-time coordinates of the elevator through a coordinate model, calculating the lifting height of the elevator, and updating the position of the elevator in the elevator model; acquiring a size label of the cable in the image through the cable to obtain the rising length of the cable, comparing the rising length of the cable with the rising height of the elevator, and judging whether the cable is in a tight state; under normal conditions, the cable is coiled for a long time, the rising length in the rising process is certain to be larger than the rising height of the elevator, and when the difference between the rising length of the cable and the rising height of the elevator is smaller than a preset value, the cable can be judged to be in a tight state; when the cable is in a tight state, generating a cable safety signal, sending the generated cable safety signal to a server, and immediately stopping the movement of the elevator by the server; when it is judged that the cable is not in a tight state, no operation is performed.
The lifting model established in the embodiment can also be used in other modules.
In one embodiment, the present embodiment is different from the previous embodiment in that: the method comprises the steps that a positioning device is arranged in the elevator, the positioning device is used for positioning coordinates of the elevator in real time, the positioned coordinates refer to a coordinate system in an elevator model, the lifting height of the elevator is obtained, and the lifting height of the elevator is directly obtained through the positioning device.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. A control system for a lifting electromechanical device is characterized by comprising an operation identification module and a server;
the operation identification module is used for identifying personnel operating the elevator, and the specific identification method comprises the following steps:
acquiring all elevator operator information in an elevator supervisor company, establishing an operator information base according to the acquired elevator operator information, arranging a fingerprint identification device on an elevator console, when the elevator needs to be operated, performing fingerprint authentication on an operator through the fingerprint identification device, identifying the fingerprint of the operator through the fingerprint identification device, sending the identified fingerprint to the operator information base for fingerprint matching, and not operating when the matching is not successful; when the matching is successful, generating a starting signal, sending the starting signal to a server, and starting the operation of the elevator control console by the server;
still be equipped with bottom identification unit in the elevator control cabinet, bottom identification unit is used for discerning whether current elevator is located the bottom, when bottom identification unit discerned the elevator and is located the bottom, generate the break signal, and give the server with break signal transmission, the control connection between the controlling means on the server disconnection elevator control cabinet and the elevator control cabinet, operating personnel's fingerprint identification carries out again, when operating personnel passes through fingerprint identification of fingerprint identification device, generate the connect signal, send the connect signal for the server, the controlling means on the server reconnection elevator control cabinet and the control connection between the elevator control cabinet.
2. The control system for lifting electromechanical devices of claim 1, further comprising a floor module for elevator operator positioning of a floor, the method comprising:
acquire building layer height table, set up input unit, with building layer height table input to input unit in, when needs use the companion ladder, operating personnel inputs the floor number in input unit, input unit matches the floor elevation that corresponds according to the floor number of input, after the companion ladder starts, acquires the elevation of companion ladder in real time, when the elevation that obtains reaches input unit matching's elevation, stops the removal of companion ladder.
3. The control system for the elevating electromechanical device as set forth in claim 2, wherein the method of obtaining the floor level table comprises:
setting a positioning unit, when a building floor height table needs to be added, inputting a floor number in the positioning unit by an elevator operator, controlling the elevator to move to a corresponding floor after the floor number is input, adjusting the position of the elevator according to the upper and lower conditions of personnel and goods in the elevator on site, inputting confirmation information in the positioning unit by the elevator operator after the adjustment is finished, automatically positioning the current elevation when the positioning unit receives the confirmation information, matching the positioned elevation with the input floor number, establishing a template table, and inputting the floor number and the corresponding elevation into the template table; and marking the template table as a building floor height table.
4. The control system for the elevating electromechanical device as set forth in claim 2, wherein the method of obtaining the floor level table comprises:
obtaining a building drawing of a current building, identifying a floor elevation in the building drawing, and establishing a building floor height table according to the identified floor elevation.
5. The control system for the lifting electromechanical device according to claim 1, further comprising a cable security module for security detection of cables connected to the elevator, the method comprising:
setting a plurality of size labels on an elevator cable, setting a plurality of image acquisition devices on a current building, and setting a plurality of coordinate positioning points on the current building according to images acquired by the image acquisition devices;
when the elevator runs, acquiring the lifting height of the elevator in real time, acquiring the lifting length of the cable by acquiring a size label of the cable in an image through the cable, comparing the lifting length of the cable with the lifting height of the elevator, and judging whether the cable is in a tight state or not; when the cable is in a tight state, generating a cable safety signal, sending the generated cable safety signal to a server, and immediately stopping the movement of the elevator by the server; when it is judged that the cable is not in a tight state, no operation is performed.
6. The control system for the lifting electromechanical device according to claim 5, wherein the method for acquiring the lifting height of the elevator in real time comprises:
a positioning device is arranged in the elevator, and the lifting height of the elevator is acquired in real time through the positioning device.
7. The control system for the lifting electromechanical device according to claim 5, wherein the method for acquiring the lifting height of the elevator in real time comprises:
establishing a lifting model according to a lifting ladder installation drawing and a current building three-dimensional model, establishing a coordinate system in the lifting model, lofting the established coordinate system onto the current building, acquiring an acquisition angle of an image acquisition device, and establishing a coordinate model of the image acquisition device according to the acquisition angle and a coordinate positioning point of the image acquisition device; the image acquisition device is used for acquiring images of the elevator cable in real time, acquiring real-time coordinates of the elevator through the coordinate model, and calculating the lifting height of the elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111563629.3A CN114249195A (en) | 2021-12-20 | 2021-12-20 | Control system for lifting electromechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111563629.3A CN114249195A (en) | 2021-12-20 | 2021-12-20 | Control system for lifting electromechanical equipment |
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| CN114249195A true CN114249195A (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111563629.3A Pending CN114249195A (en) | 2021-12-20 | 2021-12-20 | Control system for lifting electromechanical equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145536A (en) * | 2005-11-29 | 2007-06-14 | Hitachi Building Systems Co Ltd | Elevator device |
| CN201647753U (en) * | 2009-12-28 | 2010-11-24 | 中国建筑第七工程局有限公司 | Device for protecting cable of construction hoist |
| CN204079135U (en) * | 2014-04-30 | 2015-01-07 | 广州市京龙工程机械有限公司 | A kind of Elevator control units based on fingerprint recognition and recognition of face |
| CN205500477U (en) * | 2016-02-03 | 2016-08-24 | 重庆建工工业有限公司 | Construction hoist automatic leveling device |
-
2021
- 2021-12-20 CN CN202111563629.3A patent/CN114249195A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145536A (en) * | 2005-11-29 | 2007-06-14 | Hitachi Building Systems Co Ltd | Elevator device |
| CN201647753U (en) * | 2009-12-28 | 2010-11-24 | 中国建筑第七工程局有限公司 | Device for protecting cable of construction hoist |
| CN204079135U (en) * | 2014-04-30 | 2015-01-07 | 广州市京龙工程机械有限公司 | A kind of Elevator control units based on fingerprint recognition and recognition of face |
| CN205500477U (en) * | 2016-02-03 | 2016-08-24 | 重庆建工工业有限公司 | Construction hoist automatic leveling device |
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